Pronunciation: ( —n.prē'fiks; —v.prē'fiks, prē-fiks'),[key] —n. 1. Gram.an affix placed before a base or another prefix, as un- in unkind, un- and re- in unrewarding. 2. something prefixed, as a title before a person's name.
—v.t. 1. to fix or put before or in front: to prefix an impressive title to one's name. 2. Gram.to add as a prefix.
3. to fix, settle, or appoint beforehand.